1 # AArch64 SVE instruction descriptions
3 # Copyright (c) 2017 Linaro, Ltd
5 # This library is free software; you can redistribute it and/or
6 # modify it under the terms of the GNU Lesser General Public
7 # License as published by the Free Software Foundation; either
8 # version 2 of the License, or (at your option) any later version.
10 # This library is distributed in the hope that it will be useful,
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13 # Lesser General Public License for more details.
15 # You should have received a copy of the GNU Lesser General Public
16 # License along with this library; if not, see <http://www.gnu.org/licenses/>.
19 # This file is processed by scripts/decodetree.py
22 ###########################################################################
23 # Named fields. These are primarily for disjoint fields.
25 %imm4_16_p1 16:4 !function=plus1
29 %imm9_16_10 16:s6 10:3
31 # A combination of tsz:imm3 -- extract esize.
32 %tszimm_esz 22:2 5:5 !function=tszimm_esz
33 # A combination of tsz:imm3 -- extract (2 * esize) - (tsz:imm3)
34 %tszimm_shr 22:2 5:5 !function=tszimm_shr
35 # A combination of tsz:imm3 -- extract (tsz:imm3) - esize
36 %tszimm_shl 22:2 5:5 !function=tszimm_shl
38 # Similarly for the tszh/tszl pair at 22/16 for zzi
39 %tszimm16_esz 22:2 16:5 !function=tszimm_esz
40 %tszimm16_shr 22:2 16:5 !function=tszimm_shr
41 %tszimm16_shl 22:2 16:5 !function=tszimm_shl
43 # Signed 8-bit immediate, optionally shifted left by 8.
44 %sh8_i8s 5:9 !function=expand_imm_sh8s
46 # Either a copy of rd (at bit 0), or a different source
47 # as propagated via the MOVPRFX instruction.
50 ###########################################################################
51 # Named attribute sets. These are used to make nice(er) names
52 # when creating helpers common to those for the individual
53 # instruction patterns.
59 &rri_esz rd rn imm esz
63 &rprr_esz rd pg rn rm esz
64 &rprrr_esz rd pg rn rm ra esz
65 &rpri_esz rd pg rn imm esz
67 &incdec_cnt rd pat esz imm d u
68 &incdec2_cnt rd rn pat esz imm d u
70 ###########################################################################
71 # Named instruction formats. These are generally used to
72 # reduce the amount of duplication between instruction patterns.
74 # Two operand with unused vector element size
75 @pd_pn_e0 ........ ........ ....... rn:4 . rd:4 &rr_esz esz=0
78 @pd_pn ........ esz:2 .. .... ....... rn:4 . rd:4 &rr_esz
79 @rd_rn ........ esz:2 ...... ...... rn:5 rd:5 &rr_esz
81 # Three operand with unused vector element size
82 @rd_rn_rm_e0 ........ ... rm:5 ... ... rn:5 rd:5 &rrr_esz esz=0
84 # Three predicate operand, with governing predicate, flag setting
85 @pd_pg_pn_pm_s ........ . s:1 .. rm:4 .. pg:4 . rn:4 . rd:4 &rprr_s
87 # Three operand, vector element size
88 @rd_rn_rm ........ esz:2 . rm:5 ... ... rn:5 rd:5 &rrr_esz
89 @pd_pn_pm ........ esz:2 .. rm:4 ....... rn:4 . rd:4 &rrr_esz
90 @rdn_rm ........ esz:2 ...... ...... rm:5 rd:5 \
91 &rrr_esz rn=%reg_movprfx
93 # Three operand with "memory" size, aka immediate left shift
94 @rd_rn_msz_rm ........ ... rm:5 .... imm:2 rn:5 rd:5 &rrri
96 # Two register operand, with governing predicate, vector element size
97 @rdn_pg_rm ........ esz:2 ... ... ... pg:3 rm:5 rd:5 \
98 &rprr_esz rn=%reg_movprfx
99 @rdm_pg_rn ........ esz:2 ... ... ... pg:3 rn:5 rd:5 \
100 &rprr_esz rm=%reg_movprfx
102 # Three register operand, with governing predicate, vector element size
103 @rda_pg_rn_rm ........ esz:2 . rm:5 ... pg:3 rn:5 rd:5 \
104 &rprrr_esz ra=%reg_movprfx
105 @rdn_pg_ra_rm ........ esz:2 . rm:5 ... pg:3 ra:5 rd:5 \
106 &rprrr_esz rn=%reg_movprfx
108 # One register operand, with governing predicate, vector element size
109 @rd_pg_rn ........ esz:2 ... ... ... pg:3 rn:5 rd:5 &rpr_esz
111 # Two register operands with a 6-bit signed immediate.
112 @rd_rn_i6 ........ ... rn:5 ..... imm:s6 rd:5 &rri
114 # Two register operand, one immediate operand, with predicate,
115 # element size encoded as TSZHL. User must fill in imm.
116 @rdn_pg_tszimm ........ .. ... ... ... pg:3 ..... rd:5 \
117 &rpri_esz rn=%reg_movprfx esz=%tszimm_esz
119 # Similarly without predicate.
120 @rd_rn_tszimm ........ .. ... ... ...... rn:5 rd:5 \
121 &rri_esz esz=%tszimm16_esz
123 # Two register operand, one immediate operand, with 4-bit predicate.
124 # User must fill in imm.
125 @rdn_pg4 ........ esz:2 .. pg:4 ... ........ rd:5 \
126 &rpri_esz rn=%reg_movprfx
128 # Two register operand, one encoded bitmask.
129 @rdn_dbm ........ .. .... dbm:13 rd:5 \
130 &rr_dbm rn=%reg_movprfx
132 # Basic Load/Store with 9-bit immediate offset
133 @pd_rn_i9 ........ ........ ...... rn:5 . rd:4 \
135 @rd_rn_i9 ........ ........ ...... rn:5 rd:5 \
138 # One register, pattern, and uint4+1.
139 # User must fill in U and D.
140 @incdec_cnt ........ esz:2 .. .... ...... pat:5 rd:5 \
141 &incdec_cnt imm=%imm4_16_p1
142 @incdec2_cnt ........ esz:2 .. .... ...... pat:5 rd:5 \
143 &incdec2_cnt imm=%imm4_16_p1 rn=%reg_movprfx
145 ###########################################################################
146 # Instruction patterns. Grouped according to the SVE encodingindex.xhtml.
148 ### SVE Integer Arithmetic - Binary Predicated Group
150 # SVE bitwise logical vector operations (predicated)
151 ORR_zpzz 00000100 .. 011 000 000 ... ..... ..... @rdn_pg_rm
152 EOR_zpzz 00000100 .. 011 001 000 ... ..... ..... @rdn_pg_rm
153 AND_zpzz 00000100 .. 011 010 000 ... ..... ..... @rdn_pg_rm
154 BIC_zpzz 00000100 .. 011 011 000 ... ..... ..... @rdn_pg_rm
156 # SVE integer add/subtract vectors (predicated)
157 ADD_zpzz 00000100 .. 000 000 000 ... ..... ..... @rdn_pg_rm
158 SUB_zpzz 00000100 .. 000 001 000 ... ..... ..... @rdn_pg_rm
159 SUB_zpzz 00000100 .. 000 011 000 ... ..... ..... @rdm_pg_rn # SUBR
161 # SVE integer min/max/difference (predicated)
162 SMAX_zpzz 00000100 .. 001 000 000 ... ..... ..... @rdn_pg_rm
163 UMAX_zpzz 00000100 .. 001 001 000 ... ..... ..... @rdn_pg_rm
164 SMIN_zpzz 00000100 .. 001 010 000 ... ..... ..... @rdn_pg_rm
165 UMIN_zpzz 00000100 .. 001 011 000 ... ..... ..... @rdn_pg_rm
166 SABD_zpzz 00000100 .. 001 100 000 ... ..... ..... @rdn_pg_rm
167 UABD_zpzz 00000100 .. 001 101 000 ... ..... ..... @rdn_pg_rm
169 # SVE integer multiply/divide (predicated)
170 MUL_zpzz 00000100 .. 010 000 000 ... ..... ..... @rdn_pg_rm
171 SMULH_zpzz 00000100 .. 010 010 000 ... ..... ..... @rdn_pg_rm
172 UMULH_zpzz 00000100 .. 010 011 000 ... ..... ..... @rdn_pg_rm
173 # Note that divide requires size >= 2; below 2 is unallocated.
174 SDIV_zpzz 00000100 .. 010 100 000 ... ..... ..... @rdn_pg_rm
175 UDIV_zpzz 00000100 .. 010 101 000 ... ..... ..... @rdn_pg_rm
176 SDIV_zpzz 00000100 .. 010 110 000 ... ..... ..... @rdm_pg_rn # SDIVR
177 UDIV_zpzz 00000100 .. 010 111 000 ... ..... ..... @rdm_pg_rn # UDIVR
179 ### SVE Integer Reduction Group
181 # SVE bitwise logical reduction (predicated)
182 ORV 00000100 .. 011 000 001 ... ..... ..... @rd_pg_rn
183 EORV 00000100 .. 011 001 001 ... ..... ..... @rd_pg_rn
184 ANDV 00000100 .. 011 010 001 ... ..... ..... @rd_pg_rn
186 # SVE integer add reduction (predicated)
187 # Note that saddv requires size != 3.
188 UADDV 00000100 .. 000 001 001 ... ..... ..... @rd_pg_rn
189 SADDV 00000100 .. 000 000 001 ... ..... ..... @rd_pg_rn
191 # SVE integer min/max reduction (predicated)
192 SMAXV 00000100 .. 001 000 001 ... ..... ..... @rd_pg_rn
193 UMAXV 00000100 .. 001 001 001 ... ..... ..... @rd_pg_rn
194 SMINV 00000100 .. 001 010 001 ... ..... ..... @rd_pg_rn
195 UMINV 00000100 .. 001 011 001 ... ..... ..... @rd_pg_rn
197 ### SVE Shift by Immediate - Predicated Group
199 # SVE bitwise shift by immediate (predicated)
200 ASR_zpzi 00000100 .. 000 000 100 ... .. ... ..... \
201 @rdn_pg_tszimm imm=%tszimm_shr
202 LSR_zpzi 00000100 .. 000 001 100 ... .. ... ..... \
203 @rdn_pg_tszimm imm=%tszimm_shr
204 LSL_zpzi 00000100 .. 000 011 100 ... .. ... ..... \
205 @rdn_pg_tszimm imm=%tszimm_shl
206 ASRD 00000100 .. 000 100 100 ... .. ... ..... \
207 @rdn_pg_tszimm imm=%tszimm_shr
209 # SVE bitwise shift by vector (predicated)
210 ASR_zpzz 00000100 .. 010 000 100 ... ..... ..... @rdn_pg_rm
211 LSR_zpzz 00000100 .. 010 001 100 ... ..... ..... @rdn_pg_rm
212 LSL_zpzz 00000100 .. 010 011 100 ... ..... ..... @rdn_pg_rm
213 ASR_zpzz 00000100 .. 010 100 100 ... ..... ..... @rdm_pg_rn # ASRR
214 LSR_zpzz 00000100 .. 010 101 100 ... ..... ..... @rdm_pg_rn # LSRR
215 LSL_zpzz 00000100 .. 010 111 100 ... ..... ..... @rdm_pg_rn # LSLR
217 # SVE bitwise shift by wide elements (predicated)
218 # Note these require size != 3.
219 ASR_zpzw 00000100 .. 011 000 100 ... ..... ..... @rdn_pg_rm
220 LSR_zpzw 00000100 .. 011 001 100 ... ..... ..... @rdn_pg_rm
221 LSL_zpzw 00000100 .. 011 011 100 ... ..... ..... @rdn_pg_rm
223 ### SVE Integer Arithmetic - Unary Predicated Group
225 # SVE unary bit operations (predicated)
226 # Note esz != 0 for FABS and FNEG.
227 CLS 00000100 .. 011 000 101 ... ..... ..... @rd_pg_rn
228 CLZ 00000100 .. 011 001 101 ... ..... ..... @rd_pg_rn
229 CNT_zpz 00000100 .. 011 010 101 ... ..... ..... @rd_pg_rn
230 CNOT 00000100 .. 011 011 101 ... ..... ..... @rd_pg_rn
231 NOT_zpz 00000100 .. 011 110 101 ... ..... ..... @rd_pg_rn
232 FABS 00000100 .. 011 100 101 ... ..... ..... @rd_pg_rn
233 FNEG 00000100 .. 011 101 101 ... ..... ..... @rd_pg_rn
235 # SVE integer unary operations (predicated)
236 # Note esz > original size for extensions.
237 ABS 00000100 .. 010 110 101 ... ..... ..... @rd_pg_rn
238 NEG 00000100 .. 010 111 101 ... ..... ..... @rd_pg_rn
239 SXTB 00000100 .. 010 000 101 ... ..... ..... @rd_pg_rn
240 UXTB 00000100 .. 010 001 101 ... ..... ..... @rd_pg_rn
241 SXTH 00000100 .. 010 010 101 ... ..... ..... @rd_pg_rn
242 UXTH 00000100 .. 010 011 101 ... ..... ..... @rd_pg_rn
243 SXTW 00000100 .. 010 100 101 ... ..... ..... @rd_pg_rn
244 UXTW 00000100 .. 010 101 101 ... ..... ..... @rd_pg_rn
246 ### SVE Integer Multiply-Add Group
248 # SVE integer multiply-add writing addend (predicated)
249 MLA 00000100 .. 0 ..... 010 ... ..... ..... @rda_pg_rn_rm
250 MLS 00000100 .. 0 ..... 011 ... ..... ..... @rda_pg_rn_rm
252 # SVE integer multiply-add writing multiplicand (predicated)
253 MLA 00000100 .. 0 ..... 110 ... ..... ..... @rdn_pg_ra_rm # MAD
254 MLS 00000100 .. 0 ..... 111 ... ..... ..... @rdn_pg_ra_rm # MSB
256 ### SVE Integer Arithmetic - Unpredicated Group
258 # SVE integer add/subtract vectors (unpredicated)
259 ADD_zzz 00000100 .. 1 ..... 000 000 ..... ..... @rd_rn_rm
260 SUB_zzz 00000100 .. 1 ..... 000 001 ..... ..... @rd_rn_rm
261 SQADD_zzz 00000100 .. 1 ..... 000 100 ..... ..... @rd_rn_rm
262 UQADD_zzz 00000100 .. 1 ..... 000 101 ..... ..... @rd_rn_rm
263 SQSUB_zzz 00000100 .. 1 ..... 000 110 ..... ..... @rd_rn_rm
264 UQSUB_zzz 00000100 .. 1 ..... 000 111 ..... ..... @rd_rn_rm
266 ### SVE Logical - Unpredicated Group
268 # SVE bitwise logical operations (unpredicated)
269 AND_zzz 00000100 00 1 ..... 001 100 ..... ..... @rd_rn_rm_e0
270 ORR_zzz 00000100 01 1 ..... 001 100 ..... ..... @rd_rn_rm_e0
271 EOR_zzz 00000100 10 1 ..... 001 100 ..... ..... @rd_rn_rm_e0
272 BIC_zzz 00000100 11 1 ..... 001 100 ..... ..... @rd_rn_rm_e0
274 ### SVE Index Generation Group
276 # SVE index generation (immediate start, immediate increment)
277 INDEX_ii 00000100 esz:2 1 imm2:s5 010000 imm1:s5 rd:5
279 # SVE index generation (immediate start, register increment)
280 INDEX_ir 00000100 esz:2 1 rm:5 010010 imm:s5 rd:5
282 # SVE index generation (register start, immediate increment)
283 INDEX_ri 00000100 esz:2 1 imm:s5 010001 rn:5 rd:5
285 # SVE index generation (register start, register increment)
286 INDEX_rr 00000100 .. 1 ..... 010011 ..... ..... @rd_rn_rm
288 ### SVE Stack Allocation Group
290 # SVE stack frame adjustment
291 ADDVL 00000100 001 ..... 01010 ...... ..... @rd_rn_i6
292 ADDPL 00000100 011 ..... 01010 ...... ..... @rd_rn_i6
294 # SVE stack frame size
295 RDVL 00000100 101 11111 01010 imm:s6 rd:5
297 ### SVE Bitwise Shift - Unpredicated Group
299 # SVE bitwise shift by immediate (unpredicated)
300 ASR_zzi 00000100 .. 1 ..... 1001 00 ..... ..... \
301 @rd_rn_tszimm imm=%tszimm16_shr
302 LSR_zzi 00000100 .. 1 ..... 1001 01 ..... ..... \
303 @rd_rn_tszimm imm=%tszimm16_shr
304 LSL_zzi 00000100 .. 1 ..... 1001 11 ..... ..... \
305 @rd_rn_tszimm imm=%tszimm16_shl
307 # SVE bitwise shift by wide elements (unpredicated)
309 ASR_zzw 00000100 .. 1 ..... 1000 00 ..... ..... @rd_rn_rm
310 LSR_zzw 00000100 .. 1 ..... 1000 01 ..... ..... @rd_rn_rm
311 LSL_zzw 00000100 .. 1 ..... 1000 11 ..... ..... @rd_rn_rm
313 ### SVE Compute Vector Address Group
315 # SVE vector address generation
316 ADR_s32 00000100 00 1 ..... 1010 .. ..... ..... @rd_rn_msz_rm
317 ADR_u32 00000100 01 1 ..... 1010 .. ..... ..... @rd_rn_msz_rm
318 ADR_p32 00000100 10 1 ..... 1010 .. ..... ..... @rd_rn_msz_rm
319 ADR_p64 00000100 11 1 ..... 1010 .. ..... ..... @rd_rn_msz_rm
321 ### SVE Integer Misc - Unpredicated Group
323 # SVE floating-point exponential accelerator
325 FEXPA 00000100 .. 1 00000 101110 ..... ..... @rd_rn
327 # SVE floating-point trig select coefficient
329 FTSSEL 00000100 .. 1 ..... 101100 ..... ..... @rd_rn_rm
331 ### SVE Element Count Group
334 CNT_r 00000100 .. 10 .... 1110 0 0 ..... ..... @incdec_cnt d=0 u=1
336 # SVE inc/dec register by element count
337 INCDEC_r 00000100 .. 11 .... 1110 0 d:1 ..... ..... @incdec_cnt u=1
339 # SVE saturating inc/dec register by element count
340 SINCDEC_r_32 00000100 .. 10 .... 1111 d:1 u:1 ..... ..... @incdec_cnt
341 SINCDEC_r_64 00000100 .. 11 .... 1111 d:1 u:1 ..... ..... @incdec_cnt
343 # SVE inc/dec vector by element count
344 # Note this requires esz != 0.
345 INCDEC_v 00000100 .. 1 1 .... 1100 0 d:1 ..... ..... @incdec2_cnt u=1
347 # SVE saturating inc/dec vector by element count
348 # Note these require esz != 0.
349 SINCDEC_v 00000100 .. 1 0 .... 1100 d:1 u:1 ..... ..... @incdec2_cnt
351 ### SVE Bitwise Immediate Group
353 # SVE bitwise logical with immediate (unpredicated)
354 ORR_zzi 00000101 00 0000 ............. ..... @rdn_dbm
355 EOR_zzi 00000101 01 0000 ............. ..... @rdn_dbm
356 AND_zzi 00000101 10 0000 ............. ..... @rdn_dbm
358 # SVE broadcast bitmask immediate
359 DUPM 00000101 11 0000 dbm:13 rd:5
361 ### SVE Integer Wide Immediate - Predicated Group
363 # SVE copy floating-point immediate (predicated)
364 FCPY 00000101 .. 01 .... 110 imm:8 ..... @rdn_pg4
366 # SVE copy integer immediate (predicated)
367 CPY_m_i 00000101 .. 01 .... 01 . ........ ..... @rdn_pg4 imm=%sh8_i8s
368 CPY_z_i 00000101 .. 01 .... 00 . ........ ..... @rdn_pg4 imm=%sh8_i8s
370 ### SVE Permute - Extract Group
372 # SVE extract vector (immediate offset)
373 EXT 00000101 001 ..... 000 ... rm:5 rd:5 \
374 &rrri rn=%reg_movprfx imm=%imm8_16_10
376 ### SVE Permute - Unpredicated Group
378 # SVE broadcast general register
379 DUP_s 00000101 .. 1 00000 001110 ..... ..... @rd_rn
381 # SVE broadcast indexed element
382 DUP_x 00000101 .. 1 ..... 001000 rn:5 rd:5 \
385 # SVE insert SIMD&FP scalar register
386 INSR_f 00000101 .. 1 10100 001110 ..... ..... @rdn_rm
388 # SVE insert general register
389 INSR_r 00000101 .. 1 00100 001110 ..... ..... @rdn_rm
391 # SVE reverse vector elements
392 REV_v 00000101 .. 1 11000 001110 ..... ..... @rd_rn
394 # SVE vector table lookup
395 TBL 00000101 .. 1 ..... 001100 ..... ..... @rd_rn_rm
397 # SVE unpack vector elements
398 UNPK 00000101 esz:2 1100 u:1 h:1 001110 rn:5 rd:5
400 ### SVE Permute - Predicates Group
402 # SVE permute predicate elements
403 ZIP1_p 00000101 .. 10 .... 010 000 0 .... 0 .... @pd_pn_pm
404 ZIP2_p 00000101 .. 10 .... 010 001 0 .... 0 .... @pd_pn_pm
405 UZP1_p 00000101 .. 10 .... 010 010 0 .... 0 .... @pd_pn_pm
406 UZP2_p 00000101 .. 10 .... 010 011 0 .... 0 .... @pd_pn_pm
407 TRN1_p 00000101 .. 10 .... 010 100 0 .... 0 .... @pd_pn_pm
408 TRN2_p 00000101 .. 10 .... 010 101 0 .... 0 .... @pd_pn_pm
410 # SVE reverse predicate elements
411 REV_p 00000101 .. 11 0100 010 000 0 .... 0 .... @pd_pn
413 # SVE unpack predicate elements
414 PUNPKLO 00000101 00 11 0000 010 000 0 .... 0 .... @pd_pn_e0
415 PUNPKHI 00000101 00 11 0001 010 000 0 .... 0 .... @pd_pn_e0
417 ### SVE Permute - Interleaving Group
419 # SVE permute vector elements
420 ZIP1_z 00000101 .. 1 ..... 011 000 ..... ..... @rd_rn_rm
421 ZIP2_z 00000101 .. 1 ..... 011 001 ..... ..... @rd_rn_rm
422 UZP1_z 00000101 .. 1 ..... 011 010 ..... ..... @rd_rn_rm
423 UZP2_z 00000101 .. 1 ..... 011 011 ..... ..... @rd_rn_rm
424 TRN1_z 00000101 .. 1 ..... 011 100 ..... ..... @rd_rn_rm
425 TRN2_z 00000101 .. 1 ..... 011 101 ..... ..... @rd_rn_rm
427 ### SVE Permute - Predicated Group
429 # SVE compress active elements
431 COMPACT 00000101 .. 100001 100 ... ..... ..... @rd_pg_rn
433 # SVE conditionally broadcast element to vector
434 CLASTA_z 00000101 .. 10100 0 100 ... ..... ..... @rdn_pg_rm
435 CLASTB_z 00000101 .. 10100 1 100 ... ..... ..... @rdn_pg_rm
437 # SVE conditionally copy element to SIMD&FP scalar
438 CLASTA_v 00000101 .. 10101 0 100 ... ..... ..... @rd_pg_rn
439 CLASTB_v 00000101 .. 10101 1 100 ... ..... ..... @rd_pg_rn
441 # SVE conditionally copy element to general register
442 CLASTA_r 00000101 .. 11000 0 101 ... ..... ..... @rd_pg_rn
443 CLASTB_r 00000101 .. 11000 1 101 ... ..... ..... @rd_pg_rn
445 # SVE copy element to SIMD&FP scalar register
446 LASTA_v 00000101 .. 10001 0 100 ... ..... ..... @rd_pg_rn
447 LASTB_v 00000101 .. 10001 1 100 ... ..... ..... @rd_pg_rn
449 # SVE copy element to general register
450 LASTA_r 00000101 .. 10000 0 101 ... ..... ..... @rd_pg_rn
451 LASTB_r 00000101 .. 10000 1 101 ... ..... ..... @rd_pg_rn
453 # SVE copy element from SIMD&FP scalar register
454 CPY_m_v 00000101 .. 100000 100 ... ..... ..... @rd_pg_rn
456 # SVE copy element from general register to vector (predicated)
457 CPY_m_r 00000101 .. 101000 101 ... ..... ..... @rd_pg_rn
459 # SVE reverse within elements
460 # Note esz >= operation size
461 REVB 00000101 .. 1001 00 100 ... ..... ..... @rd_pg_rn
462 REVH 00000101 .. 1001 01 100 ... ..... ..... @rd_pg_rn
463 REVW 00000101 .. 1001 10 100 ... ..... ..... @rd_pg_rn
464 RBIT 00000101 .. 1001 11 100 ... ..... ..... @rd_pg_rn
466 ### SVE Predicate Logical Operations Group
468 # SVE predicate logical operations
469 AND_pppp 00100101 0. 00 .... 01 .... 0 .... 0 .... @pd_pg_pn_pm_s
470 BIC_pppp 00100101 0. 00 .... 01 .... 0 .... 1 .... @pd_pg_pn_pm_s
471 EOR_pppp 00100101 0. 00 .... 01 .... 1 .... 0 .... @pd_pg_pn_pm_s
472 SEL_pppp 00100101 0. 00 .... 01 .... 1 .... 1 .... @pd_pg_pn_pm_s
473 ORR_pppp 00100101 1. 00 .... 01 .... 0 .... 0 .... @pd_pg_pn_pm_s
474 ORN_pppp 00100101 1. 00 .... 01 .... 0 .... 1 .... @pd_pg_pn_pm_s
475 NOR_pppp 00100101 1. 00 .... 01 .... 1 .... 0 .... @pd_pg_pn_pm_s
476 NAND_pppp 00100101 1. 00 .... 01 .... 1 .... 1 .... @pd_pg_pn_pm_s
478 ### SVE Predicate Misc Group
481 PTEST 00100101 01 010000 11 pg:4 0 rn:4 0 0000
483 # SVE predicate initialize
484 PTRUE 00100101 esz:2 01100 s:1 111000 pat:5 0 rd:4
487 SETFFR 00100101 0010 1100 1001 0000 0000 0000
489 # SVE zero predicate register
490 PFALSE 00100101 0001 1000 1110 0100 0000 rd:4
492 # SVE predicate read from FFR (predicated)
493 RDFFR_p 00100101 0 s:1 0110001111000 pg:4 0 rd:4
495 # SVE predicate read from FFR (unpredicated)
496 RDFFR 00100101 0001 1001 1111 0000 0000 rd:4
498 # SVE FFR write from predicate (WRFFR)
499 WRFFR 00100101 0010 1000 1001 000 rn:4 00000
501 # SVE predicate first active
502 PFIRST 00100101 01 011 000 11000 00 .... 0 .... @pd_pn_e0
504 # SVE predicate next active
505 PNEXT 00100101 .. 011 001 11000 10 .... 0 .... @pd_pn
507 ### SVE Memory - 32-bit Gather and Unsized Contiguous Group
509 # SVE load predicate register
510 LDR_pri 10000101 10 ...... 000 ... ..... 0 .... @pd_rn_i9
512 # SVE load vector register
513 LDR_zri 10000101 10 ...... 010 ... ..... ..... @rd_rn_i9